Metadata, Linked Data, Semantics and Ontologies - General Session.- Track on Metadata and Semantics for Digital Libraries, Information Retrieval, Big, Linked, Social and Open Data.- Track on Metadata and Semantics for Agriculture, Food and Environment (AgroSEM'20).- Track on Metadata and Semantics for Open Repositories, Research Information Systems and Data Infrastructures.- Track on Metadata and Semantics for Digital Humanities and Digital Curation (DHC2020).- Track on Metadata and Semantics for Cultural Collections and Applications.- Track on European and National Projects.- Track on Knowledge IT Artifacts (KITA) in professional communities and aggregations (KITA 2020).